INDEX 



S8l 



centrum, 313 ; ou ovipositing of locust, 

 290 ; ou subimago, 437 ; on Thalessa, 

 554 



Kitsema on Enoicyla, 481 



Ronalds on anglers' flies, 441 



Eoux on Necrophilus, 462 



Royal pairs, 377 



Riilil on earwig, 213 



Sacs — see Air Sacs 



Sagides, S'2S 



SaUvary glands, 124, 126, 187, 210, 228, 



246, 283, 335, 348, 353, 403, 414, 495 ; 



of Peripatus, 11 ; of Myriapods, 48, 



49 

 Salivary receptacle, or reservoir, 126, 228, 



246, 335, 348, 360 

 Saltatoria (Ortlioptera), 201 

 Sandwich Islands — see Hawaiian Islands 

 Saunders, Sir Sydney, on Scleroderma, 



636 ; on caprification, 548 

 Saussure, H. de — see De Saussiire 

 Savage ou Termites, 368 

 Saw, 493, 512 

 Sawflies — see Tenthredinidae 

 Scales, 185, 189, 397 

 Scapteriscus, 334 

 Scdimena, 301 

 Schindler on Malpigliian tubes, 246 ; of 



Grylloialpa, 335 

 Schistocerca peregrina, 298 ; development. 



287 ; -S'. americana, 298, 308 

 Schizodactylus incmstrosus, 325 

 Schizophtlialmi, 459 



Schizotarsia, 35, 46, 57, 58, 70, 75 ; struc- 

 ture, 59 

 ScUetterer on parasitic Hymenoptera, 56S, 



563 

 Sclerite, 91 

 Scleroderma, 536 

 Scolia, ovaries, 138 

 Scolopendra, 30, 31, 32, 41, 78 

 Scolopendrella, 47, 61 

 Scolopendrellidae, 33, 42, 4S 

 Scolopendridae, 31, 33, 39, 4S, 75 ; sper- 



matophores, 39 

 Scorpion-flies, 449 f. 

 Scudder, on grasshopper music, 287 ; on 



Katydids' music, 320 ; on locusts at 



sea, 297 ; on rejiroduction of lost limbs, 



265 ; on fossil Insects, 486 ; on fossil 



earwigs, 216 ; on fossil may-flies, 443 ; 



on fossil Sialidae, 449 ; on Tertiary 



Insects, 179 

 Scutellum, 100, 101 

 Sculigera, 35, 36, 48 ; sense organ, 51 

 Scutigeridae, 35, 36, 40, 46, 50 

 Scutum, 100, 101 

 Secondary, 427, 472 ; larva, 542 

 Securifera, 503 

 Segmentation, 149, 237 ; of ovum of 



Smicra, 545 



Segments, 88, 90 ; number of, 87 



Selys, De, on dragon-flies, 425, 427 



Semi-pupa, 497 



Sense organs, 121-123 



Senses, 541, 544, 553 



Sericostomatides, >^7^ 4S^ 



Series, 177, 201 



Serosa, 148 



Serrifera, 503 



Sessile abdomen, 493 



Sessiliventres, 492, 490, 503 



Sex, 498, 499, 500 



Sexes, 137 



Sexual organs, external, 141 



Shaw on Orthoptera, 201 



Sialidae, 407, 444 



Sialides, 444 



Sialis lutaria, 444 ; eggs, 445, larva, 445 ; 



tracheal gill, 446 

 Silk, 127 



Silo, parasite of, 558 

 Silurian Insect, 238 

 Silver flsh, 186 



Simple eyes, 97, 184 — see also Ocelli 

 Siphonaptera, 174, 1''5 

 Sirex, habits of its parasite, 554; S. augur, 



509 ; S. gigas, 508, 510 ; S. fuvencus, 



508 

 Stricidae, 507 ; parasites of, 563 

 Siricides, 510 



Sisyra 467 ; S.fuscata larva, 467 

 Sisyrina, ^67 



Silaris humeralis, early stages, 159 

 Sloane, Sir Hans, on locusts at sea, 297 

 Smallest Insect, 537 

 Smeathman on Termites, 366 f., 381, 383, 



387 

 Smicra clavipes embryology, 545 

 Smith, F., ou Cynips, 530 ; on Trigonalys, 



564 

 Smynthiiridae, 191 

 Smynthurus variegaiics, 191 ; S. fuscus, 



192 

 Snow-Insects, 194 

 Social, Insects, 85, 361, 369 ; Hymenoptera, 



488, 500 f. 

 Soldiers, 370, 371, 372 

 Somites, 87 



Sommer on Macrofoma, 163, 195 

 Soothsayers, 242 

 Sound production, 358 — see also Pliona- 



tion 

 Spathius, 561 



Species, number of — see Number 

 Spencer, Herbert, on caste and sex, 500 

 Spermatheca, 139, 228, 499 

 Spermatophores, 39 

 Spermatozoa, 140 

 Sphaeropsocus kunowii, 397 

 SiJhaerotheriidae, 43 

 Sphaeroiheriuin, 43 

 Sphex chrysis, 490 



